title: Quantitation of methylated basic amino acids in biological fluid.
mesh_terms: D000328:Adult; D000596:Amino Acids / Q000652:urine*; D001120:Arginine / Q000031:analogs & derivatives / Q000652:urine; D001322:Autoanalysis / Q000379:methods*; D002852:Chromatography, Ion Exchange; D006801:Humans; D008239:Lysine / Q000031:analogs & derivatives / Q000652:urine; D008745:Methylation
chemical_list: D000596:Amino Acids; D001120:Arginine; D008239:Lysine